--- mintty/Makefile.orig	2013-11-01 08:19:44.606800000 +0400
+++ mintty/Makefile	2013-11-01 08:22:53.762800000 +0400
@@ -37,6 +37,9 @@
 else ifeq ($(TARGET), i686-pc-msys)
   platform := msys
   zip_files := docs/readme-msys.html
+else ifeq ($(TARGET), x86_64-pc-msys)
+  platform := msys
+  zip_files := docs/readme-msys.html
 else
   $(error Target '$(TARGET)' not supported)
 endif